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<pre class="code"><code><span id="1" class="l"><span class="xlang">&lt;?php</span>
</span><span id="2" class="l">
</span><span id="3" class="l"><span class="php-keyword1">namespace</span> LeanCloud;
</span><span id="4" class="l">
</span><span id="5" class="l"><span class="php-keyword1">use</span> LeanCloud\Bytes;
</span><span id="6" class="l"><span class="php-keyword1">use</span> LeanCloud\Object;
</span><span id="7" class="l"><span class="php-keyword1">use</span> LeanCloud\ACL;
</span><span id="8" class="l"><span class="php-keyword1">use</span> LeanCloud\<span class="php-keyword2">File</span>;
</span><span id="9" class="l"><span class="php-keyword1">use</span> LeanCloud\User;
</span><span id="10" class="l"><span class="php-keyword1">use</span> LeanCloud\Operation\IOperation;
</span><span id="11" class="l"><span class="php-keyword1">use</span> LeanCloud\Storage\IStorage;
</span><span id="12" class="l"><span class="php-keyword1">use</span> LeanCloud\Storage\SessionStorage;
</span><span id="13" class="l">
</span><span id="14" class="l"><span class="php-comment">/**
</span></span><span id="15" class="l"><span class="php-comment"> * Client interfacing with LeanCloud REST API
</span></span><span id="16" class="l"><span class="php-comment"> *
</span></span><span id="17" class="l"><span class="php-comment"> * The client is responsible for sending request to API, and parsing
</span></span><span id="18" class="l"><span class="php-comment"> * the response into objects in PHP. There are also utility functions
</span></span><span id="19" class="l"><span class="php-comment"> * such as `::randomFloat` to generate a random float number.
</span></span><span id="20" class="l"><span class="php-comment"> *
</span></span><span id="21" class="l"><span class="php-comment"> */</span>
</span><span id="22" class="l"><span class="php-keyword1">class</span> Client {
</span><span id="23" class="l">    <span class="php-comment">/**
</span></span><span id="24" class="l"><span class="php-comment">     * Client version
</span></span><span id="25" class="l"><span class="php-comment">     */</span>
</span><span id="26" class="l">    <span class="php-keyword1">const</span> VERSION = <span class="php-quote">'0.5.5'</span>;
</span><span id="27" class="l">
</span><span id="28" class="l">    <span class="php-comment">/**
</span></span><span id="29" class="l"><span class="php-comment">     * API Endpoints for Regions
</span></span><span id="30" class="l"><span class="php-comment">     *
</span></span><span id="31" class="l"><span class="php-comment">     * @var array
</span></span><span id="32" class="l"><span class="php-comment">     */</span>
</span><span id="33" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$api</span> = <span class="php-keyword1">array</span>(
</span><span id="34" class="l">        <span class="php-quote">&quot;CN&quot;</span> =&gt; <span class="php-quote">&quot;https://api.leancloud.cn&quot;</span>,
</span><span id="35" class="l">        <span class="php-quote">&quot;US&quot;</span> =&gt; <span class="php-quote">&quot;https://us-api.leancloud.cn&quot;</span>,
</span><span id="36" class="l">        <span class="php-quote">&quot;E1&quot;</span> =&gt; <span class="php-quote">&quot;https://e1-api.leancloud.cn&quot;</span>,
</span><span id="37" class="l">    );
</span><span id="38" class="l">
</span><span id="39" class="l">    <span class="php-comment">/**
</span></span><span id="40" class="l"><span class="php-comment">     * API Region
</span></span><span id="41" class="l"><span class="php-comment">     *
</span></span><span id="42" class="l"><span class="php-comment">     * Default to CN
</span></span><span id="43" class="l"><span class="php-comment">     *
</span></span><span id="44" class="l"><span class="php-comment">     * @var string
</span></span><span id="45" class="l"><span class="php-comment">     */</span>
</span><span id="46" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$apiRegion</span> = <span class="php-quote">&quot;CN&quot;</span>;
</span><span id="47" class="l">
</span><span id="48" class="l">    <span class="php-comment">/**
</span></span><span id="49" class="l"><span class="php-comment">     * API Version string
</span></span><span id="50" class="l"><span class="php-comment">     *
</span></span><span id="51" class="l"><span class="php-comment">     * @var string
</span></span><span id="52" class="l"><span class="php-comment">     */</span>
</span><span id="53" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$apiVersion</span> = <span class="php-quote">&quot;1.1&quot;</span>;
</span><span id="54" class="l">
</span><span id="55" class="l">    <span class="php-comment">/**
</span></span><span id="56" class="l"><span class="php-comment">     * API Timeout
</span></span><span id="57" class="l"><span class="php-comment">     *
</span></span><span id="58" class="l"><span class="php-comment">     * Default to 15 seconds
</span></span><span id="59" class="l"><span class="php-comment">     *
</span></span><span id="60" class="l"><span class="php-comment">     * @var int
</span></span><span id="61" class="l"><span class="php-comment">     */</span>
</span><span id="62" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$apiTimeout</span> = <span class="php-num">15</span>;
</span><span id="63" class="l">
</span><span id="64" class="l">    <span class="php-comment">/**
</span></span><span id="65" class="l"><span class="php-comment">     * Application ID
</span></span><span id="66" class="l"><span class="php-comment">     *
</span></span><span id="67" class="l"><span class="php-comment">     * @var string
</span></span><span id="68" class="l"><span class="php-comment">     */</span>
</span><span id="69" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$appId</span>;
</span><span id="70" class="l">
</span><span id="71" class="l">    <span class="php-comment">/**
</span></span><span id="72" class="l"><span class="php-comment">     * Application Key
</span></span><span id="73" class="l"><span class="php-comment">     *
</span></span><span id="74" class="l"><span class="php-comment">     * @var string
</span></span><span id="75" class="l"><span class="php-comment">     */</span>
</span><span id="76" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$appKey</span>;
</span><span id="77" class="l">
</span><span id="78" class="l">    <span class="php-comment">/**
</span></span><span id="79" class="l"><span class="php-comment">     * Application master key
</span></span><span id="80" class="l"><span class="php-comment">     *
</span></span><span id="81" class="l"><span class="php-comment">     * @var string
</span></span><span id="82" class="l"><span class="php-comment">     */</span>
</span><span id="83" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$appMasterKey</span>;
</span><span id="84" class="l">
</span><span id="85" class="l">    <span class="php-comment">/**
</span></span><span id="86" class="l"><span class="php-comment">     * Use master key or not
</span></span><span id="87" class="l"><span class="php-comment">     *
</span></span><span id="88" class="l"><span class="php-comment">     * @var bool
</span></span><span id="89" class="l"><span class="php-comment">     */</span>
</span><span id="90" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$useMasterKey</span> = <span class="php-keyword1">false</span>;
</span><span id="91" class="l">
</span><span id="92" class="l">    <span class="php-comment">/**
</span></span><span id="93" class="l"><span class="php-comment">     * Is in production or not
</span></span><span id="94" class="l"><span class="php-comment">     *
</span></span><span id="95" class="l"><span class="php-comment">     * @var bool
</span></span><span id="96" class="l"><span class="php-comment">     */</span>
</span><span id="97" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-var">$isProduction</span> = <span class="php-keyword1">false</span>;
</span><span id="98" class="l">
</span><span id="99" class="l">    <span class="php-comment">/**
</span></span><span id="100" class="l"><span class="php-comment">     * Is in debug mode or not
</span></span><span id="101" class="l"><span class="php-comment">     *
</span></span><span id="102" class="l"><span class="php-comment">     * @var bool
</span></span><span id="103" class="l"><span class="php-comment">     */</span>
</span><span id="104" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$debugMode</span> = <span class="php-keyword1">false</span>;
</span><span id="105" class="l">
</span><span id="106" class="l">    <span class="php-comment">/**
</span></span><span id="107" class="l"><span class="php-comment">     * Default request headers
</span></span><span id="108" class="l"><span class="php-comment">     *
</span></span><span id="109" class="l"><span class="php-comment">     * @var array
</span></span><span id="110" class="l"><span class="php-comment">     */</span>
</span><span id="111" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$defaultHeaders</span>;
</span><span id="112" class="l">
</span><span id="113" class="l">    <span class="php-comment">/**
</span></span><span id="114" class="l"><span class="php-comment">     * Persistent key-value storage
</span></span><span id="115" class="l"><span class="php-comment">     *
</span></span><span id="116" class="l"><span class="php-comment">     * @var IStorage
</span></span><span id="117" class="l"><span class="php-comment">     */</span>
</span><span id="118" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-var">$storage</span>;
</span><span id="119" class="l">
</span><span id="120" class="l">    <span class="php-comment">/**
</span></span><span id="121" class="l"><span class="php-comment">     * Initialize application key and settings
</span></span><span id="122" class="l"><span class="php-comment">     *
</span></span><span id="123" class="l"><span class="php-comment">     * @param string $appId        Application ID
</span></span><span id="124" class="l"><span class="php-comment">     * @param string $appKey       Application key
</span></span><span id="125" class="l"><span class="php-comment">     * @param string $appMasterKey Application master key
</span></span><span id="126" class="l"><span class="php-comment">     */</span>
</span><span id="127" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> initialize(<span class="php-var">$appId</span>, <span class="php-var">$appKey</span>, <span class="php-var">$appMasterKey</span>) {
</span><span id="128" class="l">        self::<span class="php-var">$appId</span>        = <span class="php-var">$appId</span>;
</span><span id="129" class="l">        self::<span class="php-var">$appKey</span>       = <span class="php-var">$appKey</span>;
</span><span id="130" class="l">        self::<span class="php-var">$appMasterKey</span> = <span class="php-var">$appMasterKey</span>;
</span><span id="131" class="l">
</span><span id="132" class="l">        self::<span class="php-var">$defaultHeaders</span> = <span class="php-keyword1">array</span>(
</span><span id="133" class="l">            <span class="php-quote">'X-LC-Id'</span> =&gt; self::<span class="php-var">$appId</span>,
</span><span id="134" class="l">            <span class="php-quote">'Content-Type'</span> =&gt; <span class="php-quote">'application/json;charset=utf-8'</span>,
</span><span id="135" class="l">            <span class="php-quote">'Accept-Encoding'</span> =&gt; <span class="php-quote">'gzip, deflate'</span>,
</span><span id="136" class="l">            <span class="php-quote">'User-Agent'</span>   =&gt; self::getVersionString()
</span><span id="137" class="l">        );
</span><span id="138" class="l">
</span><span id="139" class="l">        <span class="php-comment">// Use session storage by default</span>
</span><span id="140" class="l">        <span class="php-keyword1">if</span> (!self::<span class="php-var">$storage</span>) {
</span><span id="141" class="l">            self::<span class="php-var">$storage</span> = <span class="php-keyword1">new</span> SessionStorage();
</span><span id="142" class="l">        }
</span><span id="143" class="l">
</span><span id="144" class="l">        User::registerClass();
</span><span id="145" class="l">        Role::registerClass();
</span><span id="146" class="l">    }
</span><span id="147" class="l">
</span><span id="148" class="l">    <span class="php-comment">/**
</span></span><span id="149" class="l"><span class="php-comment">     * Assert client is correctly initialized
</span></span><span id="150" class="l"><span class="php-comment">     *
</span></span><span id="151" class="l"><span class="php-comment">     * @throws RuntimeException
</span></span><span id="152" class="l"><span class="php-comment">     */</span>
</span><span id="153" class="l">    <span class="php-keyword1">private</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> assertInitialized() {
</span><span id="154" class="l">        <span class="php-keyword1">if</span> (!<span class="php-keyword1">isset</span>(self::<span class="php-var">$appId</span>) &amp;&amp;
</span><span id="155" class="l">            !<span class="php-keyword1">isset</span>(self::<span class="php-var">$appKey</span>) &amp;&amp;
</span><span id="156" class="l">            !<span class="php-keyword1">isset</span>(self::<span class="php-var">$appMasterKey</span>)) {
</span><span id="157" class="l">            <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> \RuntimeException(<span class="php-quote">&quot;Client is not initialized, &quot;</span> .
</span><span id="158" class="l">                                        <span class="php-quote">&quot;please specify application key &quot;</span> .
</span><span id="159" class="l">                                        <span class="php-quote">&quot;with Client::initialize.&quot;</span>);
</span><span id="160" class="l">        }
</span><span id="161" class="l">    }
</span><span id="162" class="l">
</span><span id="163" class="l">    <span class="php-comment">/**
</span></span><span id="164" class="l"><span class="php-comment">     * Get version string used as user agent
</span></span><span id="165" class="l"><span class="php-comment">     *
</span></span><span id="166" class="l"><span class="php-comment">     * @return string
</span></span><span id="167" class="l"><span class="php-comment">     */</span>
</span><span id="168" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> getVersionString() {
</span><span id="169" class="l">        <span class="php-keyword1">return</span> <span class="php-quote">&quot;LeanCloud PHP SDK &quot;</span> . self::VERSION;
</span><span id="170" class="l">    }
</span><span id="171" class="l">
</span><span id="172" class="l">    <span class="php-comment">/**
</span></span><span id="173" class="l"><span class="php-comment">     * Set API region
</span></span><span id="174" class="l"><span class="php-comment">     *
</span></span><span id="175" class="l"><span class="php-comment">     * Available regions are &quot;CN&quot;, &quot;US&quot;, &quot;E1&quot;.
</span></span><span id="176" class="l"><span class="php-comment">     *
</span></span><span id="177" class="l"><span class="php-comment">     * @param string $region
</span></span><span id="178" class="l"><span class="php-comment">     */</span>
</span><span id="179" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> useRegion(<span class="php-var">$region</span>) {
</span><span id="180" class="l">        <span class="php-var">$region</span> = <span class="php-keyword2">strtoupper</span>(<span class="php-var">$region</span>);
</span><span id="181" class="l">        <span class="php-keyword1">if</span> (!<span class="php-keyword1">isset</span>(self::<span class="php-var">$api</span>[<span class="php-var">$region</span>])) {
</span><span id="182" class="l">            <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> \RuntimeException(<span class="php-quote">&quot;Invalid API region: </span><span class="php-var">{$region}</span><span class="php-quote">.&quot;</span>);
</span><span id="183" class="l">        }
</span><span id="184" class="l">        self::<span class="php-var">$apiRegion</span> = <span class="php-var">$region</span>;
</span><span id="185" class="l">    }
</span><span id="186" class="l">
</span><span id="187" class="l">    <span class="php-comment">/**
</span></span><span id="188" class="l"><span class="php-comment">     * Use production or not
</span></span><span id="189" class="l"><span class="php-comment">     *
</span></span><span id="190" class="l"><span class="php-comment">     * @param bool $flag Default false
</span></span><span id="191" class="l"><span class="php-comment">     */</span>
</span><span id="192" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> useProduction(<span class="php-var">$flag</span>) {
</span><span id="193" class="l">        self::<span class="php-var">$isProduction</span> = <span class="php-var">$flag</span> ? <span class="php-keyword1">true</span> : <span class="php-keyword1">false</span>;
</span><span id="194" class="l">    }
</span><span id="195" class="l">
</span><span id="196" class="l">    <span class="php-comment">/**
</span></span><span id="197" class="l"><span class="php-comment">     * Set debug mode
</span></span><span id="198" class="l"><span class="php-comment">     *
</span></span><span id="199" class="l"><span class="php-comment">     * Enable debug mode to log request params and response.
</span></span><span id="200" class="l"><span class="php-comment">     * 
</span></span><span id="201" class="l"><span class="php-comment">     * @param bool $flag Default false
</span></span><span id="202" class="l"><span class="php-comment">     */</span>
</span><span id="203" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> setDebug(<span class="php-var">$flag</span>) {
</span><span id="204" class="l">        self::<span class="php-var">$debugMode</span> = <span class="php-var">$flag</span> ? <span class="php-keyword1">true</span> : <span class="php-keyword1">false</span>;
</span><span id="205" class="l">    }
</span><span id="206" class="l">
</span><span id="207" class="l">    <span class="php-comment">/**
</span></span><span id="208" class="l"><span class="php-comment">     * Use master key or not
</span></span><span id="209" class="l"><span class="php-comment">     *
</span></span><span id="210" class="l"><span class="php-comment">     * @param bool $flag
</span></span><span id="211" class="l"><span class="php-comment">     */</span>
</span><span id="212" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> useMasterKey(<span class="php-var">$flag</span>) {
</span><span id="213" class="l">        self::<span class="php-var">$useMasterKey</span> = <span class="php-var">$flag</span> ? <span class="php-keyword1">true</span> : <span class="php-keyword1">false</span>;
</span><span id="214" class="l">    }
</span><span id="215" class="l">
</span><span id="216" class="l">    <span class="php-comment">/**
</span></span><span id="217" class="l"><span class="php-comment">     * Get API Endpoint
</span></span><span id="218" class="l"><span class="php-comment">     *
</span></span><span id="219" class="l"><span class="php-comment">     * Build the API endpoint, the returned endpoint will include
</span></span><span id="220" class="l"><span class="php-comment">     * version string. For example: https://api.leancloud.cn/1.1 .
</span></span><span id="221" class="l"><span class="php-comment">     *
</span></span><span id="222" class="l"><span class="php-comment">     * @return string
</span></span><span id="223" class="l"><span class="php-comment">     */</span>
</span><span id="224" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> getAPIEndPoint() {
</span><span id="225" class="l">        <span class="php-keyword1">return</span> self::<span class="php-var">$api</span>[self::<span class="php-var">$apiRegion</span>] . <span class="php-quote">&quot;/&quot;</span>  . self::<span class="php-var">$apiVersion</span>;
</span><span id="226" class="l">    }
</span><span id="227" class="l">
</span><span id="228" class="l">    <span class="php-comment">/**
</span></span><span id="229" class="l"><span class="php-comment">     * Build authentication headers
</span></span><span id="230" class="l"><span class="php-comment">     *
</span></span><span id="231" class="l"><span class="php-comment">     * @param string $sessionToken Session token of a User
</span></span><span id="232" class="l"><span class="php-comment">     * @param bool   $useMasterKey
</span></span><span id="233" class="l"><span class="php-comment">     * @return array
</span></span><span id="234" class="l"><span class="php-comment">     */</span>
</span><span id="235" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> buildHeaders(<span class="php-var">$sessionToken</span>, <span class="php-var">$useMasterKey</span>) {
</span><span id="236" class="l">        <span class="php-keyword1">if</span> (<span class="php-keyword2">is_null</span>(<span class="php-var">$useMasterKey</span>)) {
</span><span id="237" class="l">            <span class="php-var">$useMasterKey</span> = self::<span class="php-var">$useMasterKey</span>;
</span><span id="238" class="l">        }
</span><span id="239" class="l">        <span class="php-var">$h</span> = self::<span class="php-var">$defaultHeaders</span>;
</span><span id="240" class="l">
</span><span id="241" class="l">        <span class="php-var">$h</span>[<span class="php-quote">'X-LC-Prod'</span>] = self::<span class="php-var">$isProduction</span> ? <span class="php-num">1</span> : <span class="php-num">0</span>;
</span><span id="242" class="l">
</span><span id="243" class="l">        <span class="php-var">$timestamp</span> = <span class="php-keyword2">time</span>();
</span><span id="244" class="l">        <span class="php-var">$key</span>       = <span class="php-var">$useMasterKey</span> ? self::<span class="php-var">$appMasterKey</span> : self::<span class="php-var">$appKey</span>;
</span><span id="245" class="l">        <span class="php-var">$sign</span>      = <span class="php-keyword2">md5</span>(<span class="php-var">$timestamp</span> . <span class="php-var">$key</span>);
</span><span id="246" class="l">        <span class="php-var">$h</span>[<span class="php-quote">'X-LC-Sign'</span>] = <span class="php-var">$sign</span> . <span class="php-quote">&quot;,&quot;</span> . <span class="php-var">$timestamp</span>;
</span><span id="247" class="l">
</span><span id="248" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$useMasterKey</span>) {
</span><span id="249" class="l">            <span class="php-var">$h</span>[<span class="php-quote">'X-LC-Sign'</span>] .= <span class="php-quote">&quot;,master&quot;</span>;
</span><span id="250" class="l">        }
</span><span id="251" class="l">
</span><span id="252" class="l">        <span class="php-keyword1">if</span> (!<span class="php-var">$sessionToken</span>) {
</span><span id="253" class="l">            <span class="php-var">$sessionToken</span> = User::getCurrentSessionToken();
</span><span id="254" class="l">        }
</span><span id="255" class="l">
</span><span id="256" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$sessionToken</span>) {
</span><span id="257" class="l">            <span class="php-var">$h</span>[<span class="php-quote">'X-LC-Session'</span>] = <span class="php-var">$sessionToken</span>;
</span><span id="258" class="l">        }
</span><span id="259" class="l">
</span><span id="260" class="l">        <span class="php-keyword1">return</span> <span class="php-var">$h</span>;
</span><span id="261" class="l">    }
</span><span id="262" class="l">
</span><span id="263" class="l">    <span class="php-comment">/**
</span></span><span id="264" class="l"><span class="php-comment">     * Verify app ID and sign
</span></span><span id="265" class="l"><span class="php-comment">     *
</span></span><span id="266" class="l"><span class="php-comment">     * The sign must be in the format of &quot;{md5sum},{timestamp}[,master]&quot;,
</span></span><span id="267" class="l"><span class="php-comment">     * which follows the format as in header &quot;X-LC-Sign&quot;.
</span></span><span id="268" class="l"><span class="php-comment">     *
</span></span><span id="269" class="l"><span class="php-comment">     * @param string $appId App Id
</span></span><span id="270" class="l"><span class="php-comment">     * @param string $sign  Request sign
</span></span><span id="271" class="l"><span class="php-comment">     * @return bool
</span></span><span id="272" class="l"><span class="php-comment">     */</span>
</span><span id="273" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> verifySign(<span class="php-var">$appId</span>, <span class="php-var">$sign</span>) {
</span><span id="274" class="l">        <span class="php-keyword1">if</span> (!<span class="php-var">$appId</span> || (<span class="php-var">$appId</span> != self::<span class="php-var">$appId</span>)) {
</span><span id="275" class="l">            <span class="php-keyword1">return</span> <span class="php-keyword1">false</span>;
</span><span id="276" class="l">        }
</span><span id="277" class="l">        <span class="php-var">$parts</span> = <span class="php-keyword2">explode</span>(<span class="php-quote">&quot;,&quot;</span>, <span class="php-var">$sign</span>);
</span><span id="278" class="l">        <span class="php-var">$key</span>   = self::<span class="php-var">$appKey</span>;
</span><span id="279" class="l">        <span class="php-keyword1">if</span> (<span class="php-keyword1">isset</span>(<span class="php-var">$parts</span>[<span class="php-num">2</span>]) &amp;&amp; <span class="php-quote">&quot;master&quot;</span> === <span class="php-keyword2">trim</span>(<span class="php-var">$parts</span>[<span class="php-num">2</span>])) {
</span><span id="280" class="l">            <span class="php-var">$key</span> = self::<span class="php-var">$appMasterKey</span>;
</span><span id="281" class="l">        }
</span><span id="282" class="l">        <span class="php-keyword1">return</span> <span class="php-var">$parts</span>[<span class="php-num">0</span>] === <span class="php-keyword2">md5</span>(<span class="php-keyword2">trim</span>(<span class="php-var">$parts</span>[<span class="php-num">1</span>]) . <span class="php-var">$key</span>);
</span><span id="283" class="l">    }
</span><span id="284" class="l">
</span><span id="285" class="l">    <span class="php-comment">/**
</span></span><span id="286" class="l"><span class="php-comment">     * Verify app ID and key
</span></span><span id="287" class="l"><span class="php-comment">     *
</span></span><span id="288" class="l"><span class="php-comment">     * The key shall be in format of &quot;{key}[,master]&quot;, it will be verified
</span></span><span id="289" class="l"><span class="php-comment">     * as master key if master suffix present.
</span></span><span id="290" class="l"><span class="php-comment">     *
</span></span><span id="291" class="l"><span class="php-comment">     * @param string $appId App Id
</span></span><span id="292" class="l"><span class="php-comment">     * @param string $key   App key or master key
</span></span><span id="293" class="l"><span class="php-comment">     * @return bool
</span></span><span id="294" class="l"><span class="php-comment">     */</span>
</span><span id="295" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> verifyKey(<span class="php-var">$appId</span>, <span class="php-var">$key</span>) {
</span><span id="296" class="l">        <span class="php-keyword1">if</span> (!<span class="php-var">$appId</span> || (<span class="php-var">$appId</span> != self::<span class="php-var">$appId</span>)) {
</span><span id="297" class="l">            <span class="php-keyword1">return</span> <span class="php-keyword1">false</span>;
</span><span id="298" class="l">        }
</span><span id="299" class="l">        <span class="php-var">$parts</span> = <span class="php-keyword2">explode</span>(<span class="php-quote">&quot;,&quot;</span>, <span class="php-var">$key</span>);
</span><span id="300" class="l">        <span class="php-keyword1">if</span> (<span class="php-keyword1">isset</span>(<span class="php-var">$parts</span>[<span class="php-num">1</span>]) &amp;&amp; <span class="php-quote">&quot;master&quot;</span> === <span class="php-keyword2">trim</span>(<span class="php-var">$parts</span>[<span class="php-num">1</span>])) {
</span><span id="301" class="l">            <span class="php-keyword1">return</span> self::<span class="php-var">$appMasterKey</span> === <span class="php-var">$parts</span>[<span class="php-num">0</span>];
</span><span id="302" class="l">        }
</span><span id="303" class="l">        <span class="php-keyword1">return</span> self::<span class="php-var">$appKey</span> === <span class="php-var">$parts</span>[<span class="php-num">0</span>];
</span><span id="304" class="l">    }
</span><span id="305" class="l">
</span><span id="306" class="l">    <span class="php-comment">/**
</span></span><span id="307" class="l"><span class="php-comment">     * Generate a sign used to auth hook invocation on LeanEngine
</span></span><span id="308" class="l"><span class="php-comment">     *
</span></span><span id="309" class="l"><span class="php-comment">     * @param string  $hookName E.g. &quot;__before_for_Object&quot;
</span></span><span id="310" class="l"><span class="php-comment">     * @param integer $msec Timestamap in microseconds
</span></span><span id="311" class="l"><span class="php-comment">     * @return string
</span></span><span id="312" class="l"><span class="php-comment">     */</span>
</span><span id="313" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> signHook(<span class="php-var">$hookName</span>, <span class="php-var">$msec</span>) {
</span><span id="314" class="l">        <span class="php-var">$hash</span> = <span class="php-keyword2">hash_hmac</span>(<span class="php-quote">&quot;sha1&quot;</span>, <span class="php-quote">&quot;</span><span class="php-var">{$hookName}</span><span class="php-quote">:</span><span class="php-var">{$msec}</span><span class="php-quote">&quot;</span>, self::<span class="php-var">$appMasterKey</span>);
</span><span id="315" class="l">        <span class="php-keyword1">return</span> <span class="php-quote">&quot;</span><span class="php-var">{$msec}</span><span class="php-quote">,</span><span class="php-var">{$hash}</span><span class="php-quote">&quot;</span>;
</span><span id="316" class="l">    }
</span><span id="317" class="l">
</span><span id="318" class="l">    <span class="php-comment">/**
</span></span><span id="319" class="l"><span class="php-comment">     * Verify a signed hook
</span></span><span id="320" class="l"><span class="php-comment">     *
</span></span><span id="321" class="l"><span class="php-comment">     * @param string $hookName
</span></span><span id="322" class="l"><span class="php-comment">     * @param string $sign
</span></span><span id="323" class="l"><span class="php-comment">     * @return bool
</span></span><span id="324" class="l"><span class="php-comment">     */</span>
</span><span id="325" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> verifyHookSign(<span class="php-var">$hookName</span>, <span class="php-var">$sign</span>) {
</span><span id="326" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$sign</span>) {
</span><span id="327" class="l">            <span class="php-var">$parts</span> = <span class="php-keyword2">explode</span>(<span class="php-quote">&quot;,&quot;</span>, <span class="php-var">$sign</span>);
</span><span id="328" class="l">            <span class="php-var">$msec</span>  = <span class="php-var">$parts</span>[<span class="php-num">0</span>];
</span><span id="329" class="l">            <span class="php-keyword1">return</span> self::signHook(<span class="php-var">$hookName</span>, <span class="php-var">$msec</span>) === <span class="php-var">$sign</span>;
</span><span id="330" class="l">        }
</span><span id="331" class="l">        <span class="php-keyword1">return</span> <span class="php-keyword1">false</span>;
</span><span id="332" class="l">    }
</span><span id="333" class="l">
</span><span id="334" class="l">    <span class="php-comment">/**
</span></span><span id="335" class="l"><span class="php-comment">     * Issue request to LeanCloud
</span></span><span id="336" class="l"><span class="php-comment">     *
</span></span><span id="337" class="l"><span class="php-comment">     * The data is passing in as an associative array, which will be encoded
</span></span><span id="338" class="l"><span class="php-comment">     * into JSON if the content-type header is &quot;application/json&quot;, or
</span></span><span id="339" class="l"><span class="php-comment">     * be appended to url as query string if it's GET request.
</span></span><span id="340" class="l"><span class="php-comment">     *
</span></span><span id="341" class="l"><span class="php-comment">     * The optional headers do have higher precedence, if provided it
</span></span><span id="342" class="l"><span class="php-comment">     * will overwrite the items in default headers.
</span></span><span id="343" class="l"><span class="php-comment">     *
</span></span><span id="344" class="l"><span class="php-comment">     * @param string $method       GET, POST, PUT, DELETE
</span></span><span id="345" class="l"><span class="php-comment">     * @param string $path         Request path (without version string)
</span></span><span id="346" class="l"><span class="php-comment">     * @param array  $data         Payload data
</span></span><span id="347" class="l"><span class="php-comment">     * @param string $sessionToken Session token of a User
</span></span><span id="348" class="l"><span class="php-comment">     * @param array  $headers      Optional headers
</span></span><span id="349" class="l"><span class="php-comment">     * @param bool   $useMasterkey Use master key or not
</span></span><span id="350" class="l"><span class="php-comment">     * @return array               JSON decoded associative array
</span></span><span id="351" class="l"><span class="php-comment">     * @throws RuntimeException, CloudException
</span></span><span id="352" class="l"><span class="php-comment">     */</span>
</span><span id="353" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> request(<span class="php-var">$method</span>, <span class="php-var">$path</span>, <span class="php-var">$data</span>,
</span><span id="354" class="l">                                   <span class="php-var">$sessionToken</span>=<span class="php-keyword1">null</span>,
</span><span id="355" class="l">                                   <span class="php-var">$headers</span>=<span class="php-keyword1">array</span>(),
</span><span id="356" class="l">                                   <span class="php-var">$useMasterKey</span>=<span class="php-keyword1">null</span>) {
</span><span id="357" class="l">        self::assertInitialized();
</span><span id="358" class="l">        <span class="php-var">$url</span>  = self::getAPIEndPoint();
</span><span id="359" class="l">        <span class="php-var">$url</span> .= <span class="php-var">$path</span>;
</span><span id="360" class="l">
</span><span id="361" class="l">        <span class="php-var">$defaultHeaders</span> = self::buildHeaders(<span class="php-var">$sessionToken</span>, <span class="php-var">$useMasterKey</span>);
</span><span id="362" class="l">        <span class="php-keyword1">if</span> (<span class="php-keyword1">empty</span>(<span class="php-var">$headers</span>)) {
</span><span id="363" class="l">            <span class="php-var">$headers</span> = <span class="php-var">$defaultHeaders</span>;
</span><span id="364" class="l">        } <span class="php-keyword1">else</span> {
</span><span id="365" class="l">            <span class="php-var">$headers</span> = <span class="php-keyword2">array_merge</span>(<span class="php-var">$defaultHeaders</span>, <span class="php-var">$headers</span>);
</span><span id="366" class="l">        }
</span><span id="367" class="l">        <span class="php-keyword1">if</span> (<span class="php-keyword2">strpos</span>(<span class="php-var">$headers</span>[<span class="php-quote">&quot;Content-Type&quot;</span>], <span class="php-quote">&quot;/json&quot;</span>) !== <span class="php-keyword1">false</span>) {
</span><span id="368" class="l">            <span class="php-var">$json</span> = <span class="php-keyword2">json_encode</span>(<span class="php-var">$data</span>);
</span><span id="369" class="l">        }
</span><span id="370" class="l">
</span><span id="371" class="l">        <span class="php-comment">// Build headers list in HTTP format</span>
</span><span id="372" class="l">        <span class="php-var">$headersList</span> = <span class="php-keyword2">array_map</span>(<span class="php-keyword1">function</span>(<span class="php-var">$key</span>, <span class="php-var">$val</span>) { <span class="php-keyword1">return</span> <span class="php-quote">&quot;</span><span class="php-var">$key</span><span class="php-quote">: </span><span class="php-var">$val</span><span class="php-quote">&quot;</span>;},
</span><span id="373" class="l">                                 <span class="php-keyword2">array_keys</span>(<span class="php-var">$headers</span>),
</span><span id="374" class="l">                                 <span class="php-var">$headers</span>);
</span><span id="375" class="l">
</span><span id="376" class="l">        <span class="php-var">$req</span> = <span class="php-keyword2">curl_init</span>(<span class="php-var">$url</span>);
</span><span id="377" class="l">        <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_SSL_VERIFYPEER, <span class="php-keyword1">true</span>);
</span><span id="378" class="l">        <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_HTTPHEADER, <span class="php-var">$headersList</span>);
</span><span id="379" class="l">        <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_RETURNTRANSFER, <span class="php-keyword1">true</span>);
</span><span id="380" class="l">        <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_TIMEOUT, self::<span class="php-var">$apiTimeout</span>);
</span><span id="381" class="l">        <span class="php-comment">// curl_setopt($req, CURLINFO_HEADER_OUT, true);</span>
</span><span id="382" class="l">        <span class="php-comment">// curl_setopt($req, CURLOPT_HEADER, true);</span>
</span><span id="383" class="l">        <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_ENCODING, <span class="php-quote">''</span>);
</span><span id="384" class="l">        <span class="php-keyword1">switch</span>(<span class="php-var">$method</span>) {
</span><span id="385" class="l">            <span class="php-keyword1">case</span> <span class="php-quote">&quot;GET&quot;</span>:
</span><span id="386" class="l">                <span class="php-keyword1">if</span> (<span class="php-var">$data</span>) {
</span><span id="387" class="l">                    <span class="php-comment">// append GET data as query string</span>
</span><span id="388" class="l">                    <span class="php-var">$url</span> .= <span class="php-quote">&quot;?&quot;</span> . <span class="php-keyword2">http_build_query</span>(<span class="php-var">$data</span>);
</span><span id="389" class="l">                    <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_URL, <span class="php-var">$url</span>);
</span><span id="390" class="l">                }
</span><span id="391" class="l">                <span class="php-keyword1">break</span>;
</span><span id="392" class="l">            <span class="php-keyword1">case</span> <span class="php-quote">&quot;POST&quot;</span>:
</span><span id="393" class="l">                <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_POST, <span class="php-num">1</span>);
</span><span id="394" class="l">                <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_POSTFIELDS, <span class="php-var">$json</span>);
</span><span id="395" class="l">                <span class="php-keyword1">break</span>;
</span><span id="396" class="l">            <span class="php-keyword1">case</span> <span class="php-quote">&quot;PUT&quot;</span>:
</span><span id="397" class="l">                <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_POSTFIELDS, <span class="php-var">$json</span>);
</span><span id="398" class="l">                <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_CUSTOMREQUEST, <span class="php-var">$method</span>);
</span><span id="399" class="l">            <span class="php-keyword1">case</span> <span class="php-quote">&quot;DELETE&quot;</span>:
</span><span id="400" class="l">                <span class="php-keyword2">curl_setopt</span>(<span class="php-var">$req</span>, CURLOPT_CUSTOMREQUEST, <span class="php-var">$method</span>);
</span><span id="401" class="l">                <span class="php-keyword1">break</span>;
</span><span id="402" class="l">            <span class="php-keyword1">default</span>:
</span><span id="403" class="l">                <span class="php-keyword1">break</span>;
</span><span id="404" class="l">        }
</span><span id="405" class="l">        <span class="php-var">$reqId</span> = <span class="php-keyword2">rand</span>(<span class="php-num">100</span>,<span class="php-num">999</span>);
</span><span id="406" class="l">        <span class="php-keyword1">if</span> (self::<span class="php-var">$debugMode</span>) {
</span><span id="407" class="l">            <span class="php-keyword2">error_log</span>(<span class="php-quote">&quot;[DEBUG] HEADERS </span><span class="php-var">{$reqId}</span><span class="php-quote">:&quot;</span> . <span class="php-keyword2">json_encode</span>(<span class="php-var">$headersList</span>));
</span><span id="408" class="l">            <span class="php-keyword2">error_log</span>(<span class="php-quote">&quot;[DEBUG] REQUEST </span><span class="php-var">{$reqId}</span><span class="php-quote">: </span><span class="php-var">{$method}</span><span class="php-quote"> </span><span class="php-var">{$url}</span><span class="php-quote"> </span><span class="php-var">{$json}</span><span class="php-quote">&quot;</span>);
</span><span id="409" class="l">        }
</span><span id="410" class="l">        <span class="php-comment">// list($headers, $resp) = explode(&quot;\r\n\r\n&quot;, curl_exec($req), 2);</span>
</span><span id="411" class="l">        <span class="php-var">$resp</span>     = <span class="php-keyword2">curl_exec</span>(<span class="php-var">$req</span>);
</span><span id="412" class="l">        <span class="php-var">$respCode</span> = <span class="php-keyword2">curl_getinfo</span>(<span class="php-var">$req</span>, CURLINFO_HTTP_CODE);
</span><span id="413" class="l">        <span class="php-var">$respType</span> = <span class="php-keyword2">curl_getinfo</span>(<span class="php-var">$req</span>, CURLINFO_CONTENT_TYPE);
</span><span id="414" class="l">        <span class="php-var">$error</span>    = <span class="php-keyword2">curl_error</span>(<span class="php-var">$req</span>);
</span><span id="415" class="l">        <span class="php-var">$errno</span>    = <span class="php-keyword2">curl_errno</span>(<span class="php-var">$req</span>);
</span><span id="416" class="l">        <span class="php-keyword2">curl_close</span>(<span class="php-var">$req</span>);
</span><span id="417" class="l">
</span><span id="418" class="l">        <span class="php-keyword1">if</span> (self::<span class="php-var">$debugMode</span>) {
</span><span id="419" class="l">            <span class="php-keyword2">error_log</span>(<span class="php-quote">&quot;[DEBUG] RESPONSE </span><span class="php-var">{$reqId}</span><span class="php-quote">: </span><span class="php-var">{$resp}</span><span class="php-quote">&quot;</span>);
</span><span id="420" class="l">        }
</span><span id="421" class="l">
</span><span id="422" class="l">        <span class="php-comment">/** type of error:
</span></span><span id="423" class="l"><span class="php-comment">          *  - curl connection error
</span></span><span id="424" class="l"><span class="php-comment">          *  - http status error 4xx, 5xx
</span></span><span id="425" class="l"><span class="php-comment">          *  - rest api error
</span></span><span id="426" class="l"><span class="php-comment">          */</span>
</span><span id="427" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$errno</span> &gt; <span class="php-num">0</span>) {
</span><span id="428" class="l">            <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> \RuntimeException(<span class="php-quote">&quot;CURL connection (</span><span class="php-var">$url</span><span class="php-quote">) error: &quot;</span> .
</span><span id="429" class="l">                                        <span class="php-quote">&quot;</span><span class="php-var">$errno</span><span class="php-quote"> </span><span class="php-var">$error</span><span class="php-quote">&quot;</span>,
</span><span id="430" class="l">                                        <span class="php-var">$errno</span>);
</span><span id="431" class="l">        }
</span><span id="432" class="l">        <span class="php-keyword1">if</span> (<span class="php-keyword2">strpos</span>(<span class="php-var">$respType</span>, <span class="php-quote">&quot;text/html&quot;</span>) !== <span class="php-keyword1">false</span>) {
</span><span id="433" class="l">            <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> CloudException(<span class="php-quote">&quot;Bad request&quot;</span>, -<span class="php-num">1</span>);
</span><span id="434" class="l">        }
</span><span id="435" class="l">
</span><span id="436" class="l">        <span class="php-var">$data</span> = <span class="php-keyword2">json_decode</span>(<span class="php-var">$resp</span>, <span class="php-keyword1">true</span>);
</span><span id="437" class="l">        <span class="php-keyword1">if</span> (<span class="php-keyword1">isset</span>(<span class="php-var">$data</span>[<span class="php-quote">&quot;error&quot;</span>])) {
</span><span id="438" class="l">            <span class="php-var">$code</span> = <span class="php-keyword1">isset</span>(<span class="php-var">$data</span>[<span class="php-quote">&quot;code&quot;</span>]) ? <span class="php-var">$data</span>[<span class="php-quote">&quot;code&quot;</span>] : -<span class="php-num">1</span>;
</span><span id="439" class="l">            <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> CloudException(<span class="php-quote">&quot;</span><span class="php-var">{$code}</span><span class="php-quote"> </span><span class="php-var">{$data['error']}</span><span class="php-quote">&quot;</span>, <span class="php-var">$code</span>);
</span><span id="440" class="l">        }
</span><span id="441" class="l">        <span class="php-keyword1">return</span> <span class="php-var">$data</span>;
</span><span id="442" class="l">    }
</span><span id="443" class="l">
</span><span id="444" class="l">    <span class="php-comment">/**
</span></span><span id="445" class="l"><span class="php-comment">     * Issue GET request to LeanCloud
</span></span><span id="446" class="l"><span class="php-comment">     *
</span></span><span id="447" class="l"><span class="php-comment">     * @param string $path         Request path (without version string)
</span></span><span id="448" class="l"><span class="php-comment">     * @param array  $data         Payload data
</span></span><span id="449" class="l"><span class="php-comment">     * @param string $sessionToken Session token of a User
</span></span><span id="450" class="l"><span class="php-comment">     * @param array  $headers      Optional headers
</span></span><span id="451" class="l"><span class="php-comment">     * @param bool   $useMasterkey Use master key or not
</span></span><span id="452" class="l"><span class="php-comment">     * @return array               JSON decoded associated array
</span></span><span id="453" class="l"><span class="php-comment">     * @see self::request()
</span></span><span id="454" class="l"><span class="php-comment">     */</span>
</span><span id="455" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> get(<span class="php-var">$path</span>, <span class="php-var">$data</span>=<span class="php-keyword1">null</span>, <span class="php-var">$sessionToken</span>=<span class="php-keyword1">null</span>,
</span><span id="456" class="l">                               <span class="php-var">$headers</span>=<span class="php-keyword1">array</span>(), <span class="php-var">$useMasterKey</span>=<span class="php-keyword1">null</span>) {
</span><span id="457" class="l">        <span class="php-keyword1">return</span> self::request(<span class="php-quote">&quot;GET&quot;</span>, <span class="php-var">$path</span>, <span class="php-var">$data</span>, <span class="php-var">$sessionToken</span>,
</span><span id="458" class="l">                             <span class="php-var">$headers</span>, <span class="php-var">$useMasterKey</span>);
</span><span id="459" class="l">    }
</span><span id="460" class="l">
</span><span id="461" class="l">    <span class="php-comment">/**
</span></span><span id="462" class="l"><span class="php-comment">     * Issue POST request to LeanCloud
</span></span><span id="463" class="l"><span class="php-comment">     *
</span></span><span id="464" class="l"><span class="php-comment">     * @param string $path         Request path (without version string)
</span></span><span id="465" class="l"><span class="php-comment">     * @param array  $data         Payload data
</span></span><span id="466" class="l"><span class="php-comment">     * @param string $sessionToken Session token of a User
</span></span><span id="467" class="l"><span class="php-comment">     * @param array  $headers      Optional headers
</span></span><span id="468" class="l"><span class="php-comment">     * @param bool   $useMasterkey Use master key or not, optional
</span></span><span id="469" class="l"><span class="php-comment">     * @return array               JSON decoded associated array
</span></span><span id="470" class="l"><span class="php-comment">     * @see self::request()
</span></span><span id="471" class="l"><span class="php-comment">     */</span>
</span><span id="472" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> post(<span class="php-var">$path</span>, <span class="php-var">$data</span>, <span class="php-var">$sessionToken</span>=<span class="php-keyword1">null</span>,
</span><span id="473" class="l">                                <span class="php-var">$headers</span>=<span class="php-keyword1">array</span>(), <span class="php-var">$useMasterKey</span>=<span class="php-keyword1">null</span>) {
</span><span id="474" class="l">        <span class="php-keyword1">return</span> self::request(<span class="php-quote">&quot;POST&quot;</span>, <span class="php-var">$path</span>, <span class="php-var">$data</span>, <span class="php-var">$sessionToken</span>,
</span><span id="475" class="l">                             <span class="php-var">$headers</span>, <span class="php-var">$useMasterKey</span>);
</span><span id="476" class="l">    }
</span><span id="477" class="l">
</span><span id="478" class="l">    <span class="php-comment">/**
</span></span><span id="479" class="l"><span class="php-comment">     * Issue PUT request to LeanCloud
</span></span><span id="480" class="l"><span class="php-comment">     *
</span></span><span id="481" class="l"><span class="php-comment">     * @param string $path         Request path (without version string)
</span></span><span id="482" class="l"><span class="php-comment">     * @param array  $data         Payload data
</span></span><span id="483" class="l"><span class="php-comment">     * @param string $sessionToken Session token of a User
</span></span><span id="484" class="l"><span class="php-comment">     * @param array  $headers      Optional headers
</span></span><span id="485" class="l"><span class="php-comment">     * @param bool   $useMasterkey Use master key or not, optional
</span></span><span id="486" class="l"><span class="php-comment">     * @return array               JSON decoded associated array
</span></span><span id="487" class="l"><span class="php-comment">     * @see self::request()
</span></span><span id="488" class="l"><span class="php-comment">     */</span>
</span><span id="489" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> put(<span class="php-var">$path</span>, <span class="php-var">$data</span>, <span class="php-var">$sessionToken</span>=<span class="php-keyword1">null</span>,
</span><span id="490" class="l">                               <span class="php-var">$headers</span>=<span class="php-keyword1">array</span>(), <span class="php-var">$useMasterKey</span>=<span class="php-keyword1">null</span>) {
</span><span id="491" class="l">        <span class="php-keyword1">return</span> self::request(<span class="php-quote">&quot;PUT&quot;</span>, <span class="php-var">$path</span>, <span class="php-var">$data</span>, <span class="php-var">$sessionToken</span>,
</span><span id="492" class="l">                             <span class="php-var">$headers</span>, <span class="php-var">$useMasterKey</span>);
</span><span id="493" class="l">    }
</span><span id="494" class="l">
</span><span id="495" class="l">    <span class="php-comment">/**
</span></span><span id="496" class="l"><span class="php-comment">     * Issue DELETE request to LeanCloud
</span></span><span id="497" class="l"><span class="php-comment">     *
</span></span><span id="498" class="l"><span class="php-comment">     * @param string $path         Request path (without version string)
</span></span><span id="499" class="l"><span class="php-comment">     * @param string $sessionToken Session token of a User
</span></span><span id="500" class="l"><span class="php-comment">     * @param array  $headers      Optional headers
</span></span><span id="501" class="l"><span class="php-comment">     * @param bool   $useMasterkey Use master key or not, optional
</span></span><span id="502" class="l"><span class="php-comment">     * @return array               JSON decoded associated array
</span></span><span id="503" class="l"><span class="php-comment">     * @see self::request()
</span></span><span id="504" class="l"><span class="php-comment">     */</span>
</span><span id="505" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> <span class="php-keyword2">delete</span>(<span class="php-var">$path</span>, <span class="php-var">$sessionToken</span>=<span class="php-keyword1">null</span>,
</span><span id="506" class="l">                                  <span class="php-var">$headers</span>=<span class="php-keyword1">array</span>(), <span class="php-var">$useMasterKey</span>=<span class="php-keyword1">null</span>) {
</span><span id="507" class="l">        <span class="php-keyword1">return</span> self::request(<span class="php-quote">&quot;DELETE&quot;</span>, <span class="php-var">$path</span>, <span class="php-keyword1">null</span>, <span class="php-var">$sessionToken</span>,
</span><span id="508" class="l">                             <span class="php-var">$headers</span>, <span class="php-var">$useMasterKey</span>);
</span><span id="509" class="l">    }
</span><span id="510" class="l">
</span><span id="511" class="l">    <span class="php-comment">/**
</span></span><span id="512" class="l"><span class="php-comment">     * Issue a batch request
</span></span><span id="513" class="l"><span class="php-comment">     *
</span></span><span id="514" class="l"><span class="php-comment">     * @param array  $requests     Array of requests in batch op
</span></span><span id="515" class="l"><span class="php-comment">     * @param string $sessionToken Session token of a User
</span></span><span id="516" class="l"><span class="php-comment">     * @param array  $headers      Optional headers
</span></span><span id="517" class="l"><span class="php-comment">     * @param bool   $useMasterkey Use master key or not, optional
</span></span><span id="518" class="l"><span class="php-comment">     * @return array              JSON decoded associated array
</span></span><span id="519" class="l"><span class="php-comment">     * @see self::request()
</span></span><span id="520" class="l"><span class="php-comment">     */</span>
</span><span id="521" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> batch(<span class="php-var">$requests</span>, <span class="php-var">$sessionToken</span>=<span class="php-keyword1">null</span>,
</span><span id="522" class="l">                                 <span class="php-var">$headers</span>=<span class="php-keyword1">array</span>(), <span class="php-var">$useMasterKey</span>=<span class="php-keyword1">null</span>) {
</span><span id="523" class="l">        <span class="php-var">$response</span> = Client::post(<span class="php-quote">&quot;/batch&quot;</span>,
</span><span id="524" class="l">                                     <span class="php-keyword1">array</span>(<span class="php-quote">&quot;requests&quot;</span> =&gt; <span class="php-var">$requests</span>),
</span><span id="525" class="l">                                     <span class="php-var">$sessionToken</span>,
</span><span id="526" class="l">                                     <span class="php-var">$headers</span>,
</span><span id="527" class="l">                                     <span class="php-var">$useMasterKey</span>);
</span><span id="528" class="l">
</span><span id="529" class="l">        <span class="php-var">$batchRequestError</span> = <span class="php-keyword1">new</span> BatchRequestError();
</span><span id="530" class="l">        <span class="php-keyword1">forEach</span>(<span class="php-var">$requests</span> <span class="php-keyword1">as</span> <span class="php-var">$i</span> =&gt; <span class="php-var">$req</span>) {
</span><span id="531" class="l">            <span class="php-keyword1">if</span> (<span class="php-keyword1">isset</span>(<span class="php-var">$response</span>[<span class="php-var">$i</span>][<span class="php-quote">&quot;error&quot;</span>])) {
</span><span id="532" class="l">                <span class="php-var">$batchRequestError</span>-&gt;add(<span class="php-var">$req</span>, <span class="php-var">$response</span>[<span class="php-var">$i</span>][<span class="php-quote">&quot;error&quot;</span>]);
</span><span id="533" class="l">            }
</span><span id="534" class="l">        }
</span><span id="535" class="l">
</span><span id="536" class="l">        <span class="php-keyword1">if</span> (!<span class="php-var">$batchRequestError</span>-&gt;isEmpty()) {
</span><span id="537" class="l">            <span class="php-keyword1">throw</span> <span class="php-var">$batchRequestError</span>;
</span><span id="538" class="l">        }
</span><span id="539" class="l">
</span><span id="540" class="l">        <span class="php-keyword1">return</span> <span class="php-var">$response</span>;
</span><span id="541" class="l">    }
</span><span id="542" class="l">
</span><span id="543" class="l">    <span class="php-comment">/**
</span></span><span id="544" class="l"><span class="php-comment">     * Recursively encode value as JSON representation
</span></span><span id="545" class="l"><span class="php-comment">     *
</span></span><span id="546" class="l"><span class="php-comment">     * By default Object will be encoded as pointer, though
</span></span><span id="547" class="l"><span class="php-comment">     * `$encoder` could be provided to encode to customized type, such
</span></span><span id="548" class="l"><span class="php-comment">     * as full `__type` annotated json object. The $encoder must be
</span></span><span id="549" class="l"><span class="php-comment">     * name of instance method of Object.
</span></span><span id="550" class="l"><span class="php-comment">     *
</span></span><span id="551" class="l"><span class="php-comment">     * To vaoid infinite loop in the case of circular Object
</span></span><span id="552" class="l"><span class="php-comment">     * references, previously seen objects (`$seen`) are encoded
</span></span><span id="553" class="l"><span class="php-comment">     * in pointer, even a customized encoder was provided.
</span></span><span id="554" class="l"><span class="php-comment">     *
</span></span><span id="555" class="l"><span class="php-comment">     * ```php
</span></span><span id="556" class="l"><span class="php-comment">     * $obj = new TestObject();
</span></span><span id="557" class="l"><span class="php-comment">     * $obj-&gt;set(&quot;owner&quot;, $user);
</span></span><span id="558" class="l"><span class="php-comment">     *
</span></span><span id="559" class="l"><span class="php-comment">     * // encode object to full JSON, with `__type` and `className`
</span></span><span id="560" class="l"><span class="php-comment">     * Client::encode($obj, &quot;toFullJSON&quot;);
</span></span><span id="561" class="l"><span class="php-comment">     *
</span></span><span id="562" class="l"><span class="php-comment">     * // encode object to literal JSON, without `__type` and `className`
</span></span><span id="563" class="l"><span class="php-comment">     * Client::encode($obj, &quot;toJSON&quot;);
</span></span><span id="564" class="l"><span class="php-comment">     * ```
</span></span><span id="565" class="l"><span class="php-comment">     *
</span></span><span id="566" class="l"><span class="php-comment">     * @param mixed  $value
</span></span><span id="567" class="l"><span class="php-comment">     * @param string $encoder Object encoder name, e.g.: getPointer, toJSON
</span></span><span id="568" class="l"><span class="php-comment">     * @param array  $seen    Array of Object that has been traversed
</span></span><span id="569" class="l"><span class="php-comment">     * @return mixed
</span></span><span id="570" class="l"><span class="php-comment">     */</span>
</span><span id="571" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> encode(<span class="php-var">$value</span>,
</span><span id="572" class="l">                                  <span class="php-var">$encoder</span>=<span class="php-keyword1">null</span>,
</span><span id="573" class="l">                                  <span class="php-var">$seen</span>=<span class="php-keyword1">array</span>()) {
</span><span id="574" class="l">        <span class="php-keyword1">if</span> (<span class="php-keyword2">is_null</span>(<span class="php-var">$value</span>) || <span class="php-keyword2">is_scalar</span>(<span class="php-var">$value</span>)) {
</span><span id="575" class="l">            <span class="php-keyword1">return</span> <span class="php-var">$value</span>;
</span><span id="576" class="l">        } <span class="php-keyword1">else</span> <span class="php-keyword1">if</span> ((<span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> \DateTime) ||
</span><span id="577" class="l">                   (<span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> \DateTimeImmutable)) {
</span><span id="578" class="l">            <span class="php-keyword1">return</span> <span class="php-keyword1">array</span>(<span class="php-quote">&quot;__type&quot;</span> =&gt; <span class="php-quote">&quot;Date&quot;</span>,
</span><span id="579" class="l">                         <span class="php-quote">&quot;iso&quot;</span>    =&gt; self::formatDate(<span class="php-var">$value</span>));
</span><span id="580" class="l">        } <span class="php-keyword1">else</span> <span class="php-keyword1">if</span> (<span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> Object) {
</span><span id="581" class="l">            <span class="php-keyword1">if</span> (<span class="php-var">$encoder</span> &amp;&amp; <span class="php-var">$value</span>-&gt;hasData() &amp;&amp; !<span class="php-keyword2">in_array</span>(<span class="php-var">$value</span>, <span class="php-var">$seen</span>)) {
</span><span id="582" class="l">                <span class="php-var">$seen</span>[] = <span class="php-var">$value</span>;
</span><span id="583" class="l">                <span class="php-keyword1">return</span> <span class="php-keyword2">call_user_func</span>(<span class="php-keyword1">array</span>(<span class="php-var">$value</span>, <span class="php-var">$encoder</span>), <span class="php-var">$seen</span>);
</span><span id="584" class="l">            } <span class="php-keyword1">else</span> {
</span><span id="585" class="l">                <span class="php-keyword1">return</span> <span class="php-var">$value</span>-&gt;getPointer();
</span><span id="586" class="l">            }
</span><span id="587" class="l">        } <span class="php-keyword1">else</span> <span class="php-keyword1">if</span> (<span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> IOperation ||
</span><span id="588" class="l">                   <span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> GeoPoint   ||
</span><span id="589" class="l">                   <span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> Bytes      ||
</span><span id="590" class="l">                   <span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> ACL        ||
</span><span id="591" class="l">                   <span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> Relation   ||
</span><span id="592" class="l">                   <span class="php-var">$value</span> <span class="php-keyword1">instanceof</span> <span class="php-keyword2">File</span>) {
</span><span id="593" class="l">            <span class="php-keyword1">return</span> <span class="php-var">$value</span>-&gt;encode();
</span><span id="594" class="l">        } <span class="php-keyword1">else</span> <span class="php-keyword1">if</span> (<span class="php-keyword2">is_array</span>(<span class="php-var">$value</span>)) {
</span><span id="595" class="l">            <span class="php-var">$res</span> = <span class="php-keyword1">array</span>();
</span><span id="596" class="l">            <span class="php-keyword1">forEach</span>(<span class="php-var">$value</span> <span class="php-keyword1">as</span> <span class="php-var">$key</span> =&gt; <span class="php-var">$val</span>) {
</span><span id="597" class="l">                <span class="php-var">$res</span>[<span class="php-var">$key</span>] = self::encode(<span class="php-var">$val</span>, <span class="php-var">$encoder</span>, <span class="php-var">$seen</span>);
</span><span id="598" class="l">            }
</span><span id="599" class="l">            <span class="php-keyword1">return</span> <span class="php-var">$res</span>;
</span><span id="600" class="l">        } <span class="php-keyword1">else</span> {
</span><span id="601" class="l">            <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> \RuntimeException(<span class="php-quote">&quot;Dont know how to encode &quot;</span> .
</span><span id="602" class="l">                                      <span class="php-keyword2">gettype</span>(<span class="php-var">$value</span>));
</span><span id="603" class="l">        }
</span><span id="604" class="l">    }
</span><span id="605" class="l">
</span><span id="606" class="l">    <span class="php-comment">/**
</span></span><span id="607" class="l"><span class="php-comment">     * Format date according to LeanCloud spec.
</span></span><span id="608" class="l"><span class="php-comment">     *
</span></span><span id="609" class="l"><span class="php-comment">     * @param DateTime $date
</span></span><span id="610" class="l"><span class="php-comment">     * @return string
</span></span><span id="611" class="l"><span class="php-comment">     */</span>
</span><span id="612" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> formatDate(<span class="php-var">$date</span>) {
</span><span id="613" class="l">        <span class="php-var">$utc</span> = <span class="php-keyword1">clone</span> <span class="php-var">$date</span>;
</span><span id="614" class="l">        <span class="php-var">$utc</span>-&gt;setTimezone(<span class="php-keyword1">new</span> \DateTimezone(<span class="php-quote">&quot;UTC&quot;</span>));
</span><span id="615" class="l">        <span class="php-var">$iso</span> = <span class="php-var">$utc</span>-&gt;format(<span class="php-quote">&quot;Y-m-d\TH:i:s.u&quot;</span>);
</span><span id="616" class="l">        <span class="php-comment">// chops 3 zeros of microseconds to comply with cloud date format</span>
</span><span id="617" class="l">        <span class="php-var">$iso</span> = <span class="php-keyword2">substr</span>(<span class="php-var">$iso</span>, <span class="php-num">0</span>, <span class="php-num">23</span>) . <span class="php-quote">&quot;Z&quot;</span>;
</span><span id="618" class="l">        <span class="php-keyword1">return</span> <span class="php-var">$iso</span>;
</span><span id="619" class="l">    }
</span><span id="620" class="l">
</span><span id="621" class="l">    <span class="php-comment">/**
</span></span><span id="622" class="l"><span class="php-comment">     * Decode value from LeanCloud response.
</span></span><span id="623" class="l"><span class="php-comment">     *
</span></span><span id="624" class="l"><span class="php-comment">     * @param mixed  $value Value to decode
</span></span><span id="625" class="l"><span class="php-comment">     * @param string $key   Field key for the value
</span></span><span id="626" class="l"><span class="php-comment">     * @return mixed
</span></span><span id="627" class="l"><span class="php-comment">     */</span>
</span><span id="628" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> decode(<span class="php-var">$value</span>, <span class="php-var">$key</span>) {
</span><span id="629" class="l">        <span class="php-keyword1">if</span> (!<span class="php-keyword2">is_array</span>(<span class="php-var">$value</span>)) {
</span><span id="630" class="l">            <span class="php-keyword1">return</span> <span class="php-var">$value</span>;
</span><span id="631" class="l">        }
</span><span id="632" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$key</span> === <span class="php-quote">'ACL'</span>) {
</span><span id="633" class="l">            <span class="php-keyword1">return</span> <span class="php-keyword1">new</span> ACL(<span class="php-var">$value</span>);
</span><span id="634" class="l">        }
</span><span id="635" class="l">        <span class="php-keyword1">if</span> (!<span class="php-keyword1">isset</span>(<span class="php-var">$value</span>[<span class="php-quote">&quot;__type&quot;</span>])) {
</span><span id="636" class="l">            <span class="php-var">$out</span> = <span class="php-keyword1">array</span>();
</span><span id="637" class="l">            <span class="php-keyword1">forEach</span>(<span class="php-var">$value</span> <span class="php-keyword1">as</span> <span class="php-var">$k</span> =&gt; <span class="php-var">$v</span>) {
</span><span id="638" class="l">                <span class="php-var">$out</span>[<span class="php-var">$k</span>] = self::decode(<span class="php-var">$v</span>, <span class="php-var">$k</span>);
</span><span id="639" class="l">            }
</span><span id="640" class="l">            <span class="php-keyword1">return</span> <span class="php-var">$out</span>;
</span><span id="641" class="l">        }
</span><span id="642" class="l">
</span><span id="643" class="l">        <span class="php-comment">// Parse different data type from server.</span>
</span><span id="644" class="l">        <span class="php-var">$type</span> = <span class="php-var">$value</span>[<span class="php-quote">&quot;__type&quot;</span>];
</span><span id="645" class="l">
</span><span id="646" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$type</span> === <span class="php-quote">&quot;Date&quot;</span>) {
</span><span id="647" class="l">            <span class="php-comment">// return time in default time zone</span>
</span><span id="648" class="l">            <span class="php-keyword1">return</span> <span class="php-keyword1">new</span> \DateTime(<span class="php-var">$value</span>[<span class="php-quote">&quot;iso&quot;</span>]);
</span><span id="649" class="l">        }
</span><span id="650" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$type</span> === <span class="php-quote">&quot;Bytes&quot;</span>) {
</span><span id="651" class="l">            <span class="php-keyword1">return</span> Bytes::createFromBase64Data(<span class="php-var">$value</span>[<span class="php-quote">&quot;base64&quot;</span>]);
</span><span id="652" class="l">        }
</span><span id="653" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$type</span> === <span class="php-quote">&quot;GeoPoint&quot;</span>) {
</span><span id="654" class="l">            <span class="php-keyword1">return</span> <span class="php-keyword1">new</span> GeoPoint(<span class="php-var">$value</span>[<span class="php-quote">&quot;latitude&quot;</span>], <span class="php-var">$value</span>[<span class="php-quote">&quot;longitude&quot;</span>]);
</span><span id="655" class="l">        }
</span><span id="656" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$type</span> === <span class="php-quote">&quot;File&quot;</span>) {
</span><span id="657" class="l">            <span class="php-var">$file</span> = <span class="php-keyword1">new</span> <span class="php-keyword2">File</span>(<span class="php-var">$value</span>[<span class="php-quote">&quot;name&quot;</span>]);
</span><span id="658" class="l">            <span class="php-var">$file</span>-&gt;mergeAfterFetch(<span class="php-var">$value</span>);
</span><span id="659" class="l">            <span class="php-keyword1">return</span> <span class="php-var">$file</span>;
</span><span id="660" class="l">        }
</span><span id="661" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$type</span> === <span class="php-quote">&quot;Pointer&quot;</span> || <span class="php-var">$type</span> === <span class="php-quote">&quot;Object&quot;</span>) {
</span><span id="662" class="l">            <span class="php-var">$id</span>  = <span class="php-keyword1">isset</span>(<span class="php-var">$value</span>[<span class="php-quote">&quot;objectId&quot;</span>]) ? <span class="php-var">$value</span>[<span class="php-quote">&quot;objectId&quot;</span>] : <span class="php-keyword1">null</span>;
</span><span id="663" class="l">            <span class="php-var">$obj</span> = Object::create(<span class="php-var">$value</span>[<span class="php-quote">&quot;className&quot;</span>], <span class="php-var">$id</span>);
</span><span id="664" class="l">            <span class="php-keyword1">unset</span>(<span class="php-var">$value</span>[<span class="php-quote">&quot;__type&quot;</span>]);
</span><span id="665" class="l">            <span class="php-keyword1">unset</span>(<span class="php-var">$value</span>[<span class="php-quote">&quot;className&quot;</span>]);
</span><span id="666" class="l">            <span class="php-keyword1">if</span> (!<span class="php-keyword1">empty</span>(<span class="php-var">$value</span>)) {
</span><span id="667" class="l">                <span class="php-var">$obj</span>-&gt;mergeAfterFetch(<span class="php-var">$value</span>);
</span><span id="668" class="l">            }
</span><span id="669" class="l">            <span class="php-keyword1">return</span> <span class="php-var">$obj</span>;
</span><span id="670" class="l">        }
</span><span id="671" class="l">        <span class="php-keyword1">if</span> (<span class="php-var">$type</span> === <span class="php-quote">&quot;Relation&quot;</span>) {
</span><span id="672" class="l">            <span class="php-keyword1">return</span> <span class="php-keyword1">new</span> Relation(<span class="php-keyword1">null</span>, <span class="php-var">$key</span>, <span class="php-var">$value</span>[<span class="php-quote">&quot;className&quot;</span>]);
</span><span id="673" class="l">        }
</span><span id="674" class="l">    }
</span><span id="675" class="l">
</span><span id="676" class="l">    <span class="php-comment">/**
</span></span><span id="677" class="l"><span class="php-comment">     * Get storage
</span></span><span id="678" class="l"><span class="php-comment">     *
</span></span><span id="679" class="l"><span class="php-comment">     * @return IStorage
</span></span><span id="680" class="l"><span class="php-comment">     */</span>
</span><span id="681" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> getStorage() {
</span><span id="682" class="l">        <span class="php-keyword1">return</span> self::<span class="php-var">$storage</span>;
</span><span id="683" class="l">    }
</span><span id="684" class="l">
</span><span id="685" class="l">    <span class="php-comment">/**
</span></span><span id="686" class="l"><span class="php-comment">     * Set storage
</span></span><span id="687" class="l"><span class="php-comment">     *
</span></span><span id="688" class="l"><span class="php-comment">     * It unset the storage if $storage is null.
</span></span><span id="689" class="l"><span class="php-comment">     *
</span></span><span id="690" class="l"><span class="php-comment">     * @param IStorage $storage
</span></span><span id="691" class="l"><span class="php-comment">     */</span>
</span><span id="692" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> setStorage(<span class="php-var">$storage</span>) {
</span><span id="693" class="l">        self::<span class="php-var">$storage</span> = <span class="php-var">$storage</span>;
</span><span id="694" class="l">    }
</span><span id="695" class="l">
</span><span id="696" class="l">    <span class="php-comment">/**
</span></span><span id="697" class="l"><span class="php-comment">     * Generate a random float between [$min, $max)
</span></span><span id="698" class="l"><span class="php-comment">     *
</span></span><span id="699" class="l"><span class="php-comment">     * @param float $min
</span></span><span id="700" class="l"><span class="php-comment">     * @param float $max
</span></span><span id="701" class="l"><span class="php-comment">     * @return float
</span></span><span id="702" class="l"><span class="php-comment">     */</span>
</span><span id="703" class="l">    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> randomFloat(<span class="php-var">$min</span>=<span class="php-num">0</span>, <span class="php-var">$max</span>=<span class="php-num">1</span>) {
</span><span id="704" class="l">        <span class="php-var">$M</span> = <span class="php-keyword2">mt_getrandmax</span>();
</span><span id="705" class="l">        <span class="php-keyword1">return</span> <span class="php-var">$min</span> + (<span class="php-keyword2">mt_rand</span>(<span class="php-num">0</span>, <span class="php-var">$M</span> - <span class="php-num">1</span>) / <span class="php-var">$M</span>) * (<span class="php-var">$max</span> - <span class="php-var">$min</span>);
</span><span id="706" class="l">    }
</span><span id="707" class="l">
</span><span id="708" class="l">}
</span><span id="709" class="l">
</span><span id="710" class="l"></span></code></pre>

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